63040666 has 32 divisors (see below), whose sum is σ = 105336000. Its totient is φ = 28111104.

The previous prime is 63040661. The next prime is 63040669. The reversal of 63040666 is 66604036.

It is not an unprimeable number, because it can be changed into a prime (63040661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126085 + ... + 126583.

It is an arithmetic number, because the mean of its divisors is an integer number (3291750).

Almost surely, 2^63040666 is an apocalyptic number.

63040666 is a deficient number, since it is larger than the sum of its proper divisors (42295334).

63040666 is a wasteful number, since it uses less digits than its factorization.

63040666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 63040666 is about 7939.8152371450. The cubic root of 63040666 is about 397.9913173699.

The spelling of 63040666 in words is "sixty-three million, forty thousand, six hundred sixty-six".